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To: gentoo-user@g.o
From: Volker Armin Hemmann <volkerarmin@...>
Subject: Re: Tips for saving power needed...
Date: Sun, 01 Apr 2012 17:56:20 +0200
Am Sonntag, 1. April 2012, 17:04:58 schrieb Jarry:
> Hi,
> 
> admin of a colo-center keeps complaining my server is going
> a little over power-limit (which they have set as ~120W per
> 24h/avg, while my server needs ~130-135W). So I need to find
> a way to save at least those 15W, or I will be moved to
> higher tarif (which means higher costs for server-housing).
> 
> Before going hard(ware) way, I would like to try first
> all possible software solutions. What I tried up to now is
> cpufreqd, CONFIG_NO_HZ=y, and spindown. In addition to that
> I adjusted fan-speeds to a little lower values and turned
> off some unneeded peripherials (in bios).
> 
> Is there anything else I could do? Any tips would be greatly
> welcomed...
> 
> Jarry

don't use cpufreqd? Just use the ondemand cpu governor. Only run services you 
need. If there is graphics hardware make sure the driver knows about power 
saving. An amd card on a virtual terminal needs as much power as an amd card 
in X doing heavy 3d lifting ...


-- 
#163933


Replies:
Re: Tips for saving power needed...
-- Walter Dnes
References:
Tips for saving power needed...
-- Jarry
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Updated May 04, 2012

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